7,854 results found
Article
Parathyroid hyperplasia
Parathyroid hyperplasia is the diffuse enlargement of the parathyroid glands and is a less common cause of primary hyperparathyroidism.
Epidemiology
There is a female predilection (M:F = 1:3).
Clinical presentation
Most commonly an incidental finding of hypercalcemia in asymptomatic patien...
Case
Laryngeal muscles (Gray's illustrations)
Published
20 Feb 2024
35% complete
Diagram
Case
Osteolytic skull metastasis of lung cancer
Published
05 May 2013
89% complete
CT
Article
Anderson and Montesano classification of occipital condyle fractures
The Anderson and Montesano classification is a widely used system for describing occipital condyle fractures. It divides injuries into three types based on morphology and mechanism of injury 1-5.
Classification
type I: impacted type occipital condyle fracture
morphology: comminution of the co...
Case
Juvenile nasopharyngeal angiofibroma
Published
10 Nov 2014
89% complete
MRI
Article
Orthopantomography
The orthopantomogram (also known as an orthopantomograph, pantomogram, OPG or OPT) is a panoramic single image radiograph of the mandible, maxilla and teeth. It is often encountered in dental practice and occasionally in the emergency department; providing a convenient, inexpensive and rapid way...
Case
Chordoma - clivus
Published
18 Jan 2022
88% complete
CT
MRI
Case
Intracranial foreign body (sewing needle)
Published
08 Aug 2019
77% complete
CT
X-ray
Article
Tinnitus causes (mnemonic)
A mnemonic to remember the commonest causes of tinnitus is:
HAMMER
Mnemonic
H: hypertension
A: anemia / acoustic neuroma
M: migraine / Menière's disease
M: medication (quinine, NSAIDs, streptomycin)
E: ear pathology (wax, foreign body, otitis media)
R: rare (temporomandibular joint ...
Case
Adenoid hypertrophy
Published
01 Dec 2021
91% complete
X-ray
Case
Scalp hematoma types (diagram)
Published
30 Apr 2018
38% complete
Diagram
Case
Steeple sign - croup
Published
05 May 2013
79% complete
Annotated image
Case
Cystic hygroma
Published
22 Jan 2022
92% complete
CT
X-ray
Ultrasound
Photo
Case
Tongue stud
Published
01 Jan 2009
59% complete
CT
Article
Lemierre syndrome
Lemierre syndrome (also known as postanginal septicemia) refers to thrombophlebitis of the internal jugular vein(s) with distant metastatic anaerobic septicemia in the setting of initial bacterial oropharyngeal infection such as pharyngitis/tonsillitis into lateral pharyngeal spaces of the neck ...
Article
Multinodular goiter
Multinodular goiter (MNG) is defined as an enlarged thyroid gland (i.e. goiter) due to multiple nodules which may have normal, decreased or increased function.
Terminology
When increased activity and hyperthyroidism are present then the condition is referred to as a toxic multinodular goiter ...
Case
Left vocal cord paralysis secondary to pseudocoarctation of the aorta
Published
08 Jul 2016
77% complete
CT
X-ray
Article
Primary cutaneous melanoma
Primary cutaneous melanoma is the most common subtype of melanoma, a malignant neoplasm that arises from melanocytes. Melanocytes predominantly occur in the basal layer of the epidermis but do occur elsewhere in the body. Primary cutaneous melanoma is by far the most common type of primary melan...
Case
Malignant thymoma
Published
03 Mar 2022
81% complete
CT
MRI
Article
Periodontitis
Periodontitis is an inflammatory disease affecting the supporting tissues of the teeth. It is a common cause of tooth loss, particularly in the adult population.
Terminology
Different forms of periodontitis are recognized. The terms 'chronic periodontitis' and 'aggressive periodontitis' have b...
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